support for fp8

* test batch sampler w varying batch lens

* wip

* multipack batchsampler wip

* wip

* fix for prepare data loader to get correct # of steps based on gpues

* lint and clean up

* calculate len estimate

* fix total num steps calc

* add options for dataloader_num_workers and dataloader_pin_memory

* remove gitbook

* support prefetch_factor for dataloader optimization

* fix the kwarg

README.md

@@ -74,6 +74,7 @@ Features:
 | gpt-j    | ✅         | ✅    | ✅     | ❌             | ❌                 | ❓          | ❓            |
 | XGen     | ✅         | ❓    | ✅     | ❓             | ❓                 | ❓          | ✅            |
 | phi      | ✅         | ✅    | ✅     | ❓             | ❓                 | ❓          | ❓            |
+| RWKV     | ✅         | ❓    | ❓     | ❓             | ❓                 | ❓          | ❓            |
 
 
 ## Quickstart ⚡
@@ -96,6 +97,10 @@ accelerate launch -m axolotl.cli.train examples/openllama-3b/lora.yml
 # inference
 accelerate launch -m axolotl.cli.inference examples/openllama-3b/lora.yml \
     --lora_model_dir="./lora-out"
+
+# gradio
+accelerate launch -m axolotl.cli.inference examples/openllama-3b/lora.yml \
+    --lora_model_dir="./lora-out" --gradio
 ```
 
 ## Installation
@@ -918,6 +923,10 @@ Pass the appropriate flag to the train command:
   cat /tmp/prompt.txt | python -m axolotl.cli.inference examples/your_config.yml \
     --base_model="./completed-model" --prompter=None --load_in_8bit=True
   ```
+-- With gradio hosting
+  ```bash
+  python -m axolotl.cli.inference examples/your_config.yml --gradio
+  ```
 
 Please use `--sample_packing False` if you have it on and receive the error similar to below:
 

docker/Dockerfile

@@ -21,9 +21,9 @@ WORKDIR /workspace/axolotl
 # If AXOLOTL_EXTRAS is set, append it in brackets
 RUN sed -i "s/torch==.*/torch==$PYTORCH_VERSION/" requirements.txt
 RUN if [ "$AXOLOTL_EXTRAS" != "" ] ; then \
-        pip install -e .[flash-attn,$AXOLOTL_EXTRAS]; \
+        pip install -e .[deepspeed,flash-attn,$AXOLOTL_EXTRAS]; \
     else \
-        pip install -e .[flash-attn]; \
+        pip install -e .[deepspeed,flash-attn]; \
     fi
 
 # fix so that git fetch/pull from remote works

docker/Dockerfile-base

@@ -10,8 +10,10 @@ ENV PATH="/root/miniconda3/bin:${PATH}"
 ARG PYTHON_VERSION="3.9"
 ARG PYTORCH_VERSION="2.0.1"
 ARG CUDA="118"
+ARG TORCH_CUDA_ARCH_LIST="7.0 7.5 8.0 8.6 9.0+PTX"
 
 ENV PYTHON_VERSION=$PYTHON_VERSION
+ENV TORCH_CUDA_ARCH_LIST=$TORCH_CUDA_ARCH_LIST
 
 RUN apt-get update \
     && apt-get install -y wget git build-essential ninja-build git-lfs libaio-dev && rm -rf /var/lib/apt/lists/* \
@@ -27,47 +29,9 @@ ENV PATH="/root/miniconda3/envs/py${PYTHON_VERSION}/bin:${PATH}"
 WORKDIR /workspace
 
 RUN python3 -m pip install --upgrade pip && pip3 install packaging && \
-    python3 -m pip install --no-cache-dir -U torch==${PYTORCH_VERSION}+cu${CUDA} --extra-index-url https://download.pytorch.org/whl/cu$CUDA
+    python3 -m pip install --no-cache-dir -U torch==${PYTORCH_VERSION}+cu${CUDA} deepspeed-kernels --extra-index-url https://download.pytorch.org/whl/cu$CUDA
 
-FROM base-builder AS deepspeed-builder
-
-ARG TORCH_CUDA_ARCH_LIST="7.0 7.5 8.0 8.6 9.0+PTX"
-
-WORKDIR /workspace
-
-RUN git clone https://github.com/microsoft/DeepSpeed.git && \
-    cd DeepSpeed && \
-    MAX_CONCURRENCY=8 DS_BUILD_SPARSE_ATTN=0 DS_BUILD_OPS=1 DS_BUILD_EVOFORMER_ATTN=0 python3 setup.py bdist_wheel
-
-FROM base-builder AS bnb-builder
-
-WORKDIR /workspace
-ARG CUDA="118"
-ENV CUDA=$CUDA
-ARG MAX_JOBS="-1"
-ENV MAX_JOBS=$MAX_JOBS
-
-RUN git clone https://github.com/TimDettmers/bitsandbytes.git && \
-    cd bitsandbytes && \
-    CUDA_VERSION=$CUDA make cuda11x && \
-    python setup.py bdist_wheel
-
-FROM base-builder
-
-ARG TORCH_CUDA_ARCH_LIST="7.0 7.5 8.0 8.6 9.0+PTX"
-ENV TORCH_CUDA_ARCH_LIST=$TORCH_CUDA_ARCH_LIST
-
-RUN mkdir -p /workspace/builds
-COPY --from=bnb-builder /workspace/bitsandbytes /workspace/builds/bitsandbytes
-
-RUN mkdir -p /workspace/wheels/bitsandbytes
-COPY --from=deepspeed-builder /workspace/DeepSpeed/dist/deepspeed-*.whl wheels
-COPY --from=bnb-builder /workspace/bitsandbytes/dist/bitsandbytes-*.whl wheels
-COPY --from=bnb-builder /workspace/bitsandbytes/bitsandbytes/libbitsandbytes*.so wheels/bitsandbytes
-
-RUN pip3 install wheels/deepspeed-*.whl
-RUN cd /workspace/builds/bitsandbytes && python3 setup.py install
-RUN git lfs install --skip-repo
-RUN pip3 install awscli && \
+RUN git lfs install --skip-repo && \
+    pip3 install awscli && \
     # The base image ships with `pydantic==1.8.2` which is not working
     pip3 install -U --no-cache-dir pydantic==1.10.10

examples/cerebras/btlm-ft.yml

@@ -14,7 +14,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path: last_prepared_run
-val_set_size: 0.01
+val_set_size: 0.05
 
 adapter:
 lora_model_dir:

examples/cerebras/qlora.yml

@@ -7,7 +7,7 @@ datasets:
   - path: teknium/GPT4-LLM-Cleaned
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 adapter: qlora
 lora_model_dir:
 sequence_len: 2048

examples/code-llama/13b/lora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./lora-out
 
 sequence_len: 4096

examples/code-llama/13b/qlora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./qlora-out
 
 adapter: qlora

examples/code-llama/34b/lora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./lora-out
 
 sequence_len: 4096

examples/code-llama/34b/qlora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./qlora-out
 
 adapter: qlora

examples/code-llama/7b/lora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./lora-out
 
 sequence_len: 4096

examples/code-llama/7b/qlora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./qlora-out
 
 adapter: qlora

examples/falcon/config-7b-lora.yml

@@ -12,7 +12,7 @@ datasets:
   - path: teknium/GPT4-LLM-Cleaned
     type: alpaca:chat
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 adapter: lora
 lora_model_dir:
 sequence_len: 2048

examples/falcon/config-7b-qlora.yml

@@ -18,7 +18,7 @@ datasets:
       - Chain-of-Thought/formatted_cot_data/gsm8k_train.json
     type: "alpaca:chat"
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 # enable QLoRA
 adapter: qlora
 lora_model_dir:

examples/falcon/config-7b.yml

@@ -12,7 +12,7 @@ datasets:
   - path: teknium/GPT4-LLM-Cleaned
     type: alpaca:chat
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 adapter:
 lora_model_dir:
 sequence_len: 2048

examples/gptj/qlora.yml

@@ -7,7 +7,7 @@ datasets:
   - path: teknium/GPT4-LLM-Cleaned
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 adapter: qlora
 lora_model_dir:
 sequence_len: 2048

examples/llama-2/fft_optimized.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path: last_run_prepared
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./out
 
 sequence_len: 4096

examples/llama-2/gptq-lora.yml

@@ -15,7 +15,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 adapter: lora
 lora_model_dir:
 sequence_len: 4096

examples/llama-2/lora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./lora-out
 
 sequence_len: 4096

examples/llama-2/qlora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./qlora-out
 
 adapter: qlora

examples/llama-2/relora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: teknium/GPT4-LLM-Cleaned
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./relora-out
 
 adapter: qlora

examples/llama-2/tiny-llama.yml

@@ -12,7 +12,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./lora-out
 
 sequence_len: 4096

examples/mistral/config.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./out
 
 sequence_len: 8192

examples/mistral/qlora.yml

@@ -11,7 +11,7 @@ datasets:
   - path: mhenrichsen/alpaca_2k_test
     type: alpaca
 dataset_prepared_path: last_run_prepared
-val_set_size: 0.01
+val_set_size: 0.05
 output_dir: ./qlora-out
 
 adapter: qlora

examples/openllama-3b/qlora.yml

@@ -9,7 +9,7 @@ datasets:
   - path: teknium/GPT4-LLM-Cleaned
     type: alpaca
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 adapter: qlora
 lora_model_dir:
 sequence_len: 1024

examples/xgen-7b/xgen-7b-8k-qlora.yml

@@ -16,7 +16,7 @@ datasets:
       - openassistant_best_replies_train.jsonl
     type: "completion"
 dataset_prepared_path:
-val_set_size: 0.01
+val_set_size: 0.05
 # enable QLoRA
 adapter: qlora
 lora_model_dir:

gitbook/README.md

@@ -1 +0,0 @@
-# Page

gitbook/SUMMARY.md

@@ -1,4 +0,0 @@
-# Table of contents
-
-* [Page](README.md)
-* [Small dev details](small-dev-details.md)

gitbook/small-dev-details.md

@@ -1,3 +0,0 @@
-# Small dev details
-
-/

requirements.txt

@@ -1,9 +1,9 @@
 --extra-index-url https://download.pytorch.org/whl/cu118
 --extra-index-url https://huggingface.github.io/autogptq-index/whl/cu118/
 torch==2.0.1
-auto-gptq
+auto-gptq==0.4.2
 packaging
-peft @ git+https://github.com/huggingface/peft.git
+peft==0.6.0
 transformers @ git+https://github.com/huggingface/transformers.git@acc394c4f5e1283c19783581790b3dc3105a3697
 bitsandbytes>=0.41.1
 accelerate @ git+https://github.com/huggingface/accelerate@80da9cfb09bb3cc9f1b385cb55d6b90d025a5fd9
@@ -17,7 +17,7 @@ sentencepiece
 wandb
 einops
 xformers>=0.0.22
-optimum
+optimum==1.13.2
 hf_transfer
 colorama
 numba
@@ -31,4 +31,4 @@ scikit-learn==1.2.2
 pynvml
 art
 fschat==0.2.29
-tensor_parallel
+gradio

src/axolotl/cli/__init__.py

@@ -6,8 +6,10 @@ import os
 import random
 import sys
 from pathlib import Path
+from threading import Thread
 from typing import Any, Dict, List, Optional, Union
 
+import gradio as gr
 import torch
 import yaml
 
@@ -16,7 +18,7 @@ from accelerate.commands.config import config_args
 from art import text2art
 from huggingface_hub import HfApi
 from huggingface_hub.utils import LocalTokenNotFoundError
-from transformers import GenerationConfig, TextStreamer
+from transformers import GenerationConfig, TextIteratorStreamer, TextStreamer
 
 from axolotl.common.cli import TrainerCliArgs, load_model_and_tokenizer
 from axolotl.logging_config import configure_logging
@@ -153,6 +155,91 @@ def do_inference(
         print(tokenizer.decode(generated["sequences"].cpu().tolist()[0]))
 
 
+def do_inference_gradio(
+    *,
+    cfg: DictDefault,
+    cli_args: TrainerCliArgs,
+):
+    model, tokenizer = load_model_and_tokenizer(cfg=cfg, cli_args=cli_args)
+    prompter = cli_args.prompter
+    default_tokens = {"unk_token": "<unk>", "bos_token": "<s>", "eos_token": "</s>"}
+
+    for token, symbol in default_tokens.items():
+        # If the token isn't already specified in the config, add it
+        if not (cfg.special_tokens and token in cfg.special_tokens):
+            tokenizer.add_special_tokens({token: symbol})
+
+    prompter_module = None
+    if prompter:
+        prompter_module = getattr(
+            importlib.import_module("axolotl.prompters"), prompter
+        )
+
+    if cfg.landmark_attention:
+        from axolotl.monkeypatch.llama_landmark_attn import set_model_mem_id
+
+        set_model_mem_id(model, tokenizer)
+        model.set_mem_cache_args(
+            max_seq_len=255, mem_freq=50, top_k=5, max_cache_size=None
+        )
+
+    model = model.to(cfg.device)
+
+    def generate(instruction):
+        if not instruction:
+            return
+        if prompter_module:
+            # pylint: disable=stop-iteration-return
+            prompt: str = next(
+                prompter_module().build_prompt(instruction=instruction.strip("\n"))
+            )
+        else:
+            prompt = instruction.strip()
+        batch = tokenizer(prompt, return_tensors="pt", add_special_tokens=True)
+
+        model.eval()
+        with torch.no_grad():
+            generation_config = GenerationConfig(
+                repetition_penalty=1.1,
+                max_new_tokens=1024,
+                temperature=0.9,
+                top_p=0.95,
+                top_k=40,
+                bos_token_id=tokenizer.bos_token_id,
+                eos_token_id=tokenizer.eos_token_id,
+                pad_token_id=tokenizer.pad_token_id,
+                do_sample=True,
+                use_cache=True,
+                return_dict_in_generate=True,
+                output_attentions=False,
+                output_hidden_states=False,
+                output_scores=False,
+            )
+            streamer = TextIteratorStreamer(tokenizer)
+            generation_kwargs = {
+                "inputs": batch["input_ids"].to(cfg.device),
+                "generation_config": generation_config,
+                "streamer": streamer,
+            }
+
+            thread = Thread(target=model.generate, kwargs=generation_kwargs)
+            thread.start()
+
+            all_text = ""
+
+            for new_text in streamer:
+                all_text += new_text
+                yield all_text
+
+    demo = gr.Interface(
+        fn=generate,
+        inputs="textbox",
+        outputs="text",
+        title=cfg.get("gradio_title", "Axolotl Gradio Interface"),
+    )
+    demo.queue().launch(show_api=False, share=True)
+
+
 def choose_config(path: Path):
     yaml_files = list(path.glob("*.yml"))
 

src/axolotl/cli/inference.py

@@ -6,11 +6,16 @@ from pathlib import Path
 import fire
 import transformers
 
-from axolotl.cli import do_inference, load_cfg, print_axolotl_text_art
+from axolotl.cli import (
+    do_inference,
+    do_inference_gradio,
+    load_cfg,
+    print_axolotl_text_art,
+)
 from axolotl.common.cli import TrainerCliArgs
 
 
-def do_cli(config: Path = Path("examples/"), **kwargs):
+def do_cli(config: Path = Path("examples/"), gradio=False, **kwargs):
     # pylint: disable=duplicate-code
     print_axolotl_text_art()
     parsed_cfg = load_cfg(config, **kwargs)
@@ -21,7 +26,10 @@ def do_cli(config: Path = Path("examples/"), **kwargs):
     )
     parsed_cli_args.inference = True
 
-    do_inference(cfg=parsed_cfg, cli_args=parsed_cli_args)
+    if gradio:
+        do_inference_gradio(cfg=parsed_cfg, cli_args=parsed_cli_args)
+    else:
+        do_inference(cfg=parsed_cfg, cli_args=parsed_cli_args)
 
 
 if __name__ == "__main__":

src/axolotl/core/trainer_builder.py

@@ -6,7 +6,6 @@ import abc
 import importlib
 import logging
 import math
-import os
 import sys
 from abc import abstractmethod
 from dataclasses import dataclass, field
@@ -14,14 +13,13 @@ from functools import partial
 from pathlib import Path
 from typing import Optional, Union
 
-import tensor_parallel as tp
 import torch
 import transformers
 from datasets import Dataset
 from torch.optim.lr_scheduler import OneCycleLR
-from torch.utils.data import DataLoader, DistributedSampler, SequentialSampler
+from torch.utils.data import BatchSampler, DataLoader, RandomSampler, SequentialSampler
 from transformers import EarlyStoppingCallback, Trainer, TrainingArguments
-from transformers.trainer_pt_utils import SequentialDistributedSampler
+from transformers.trainer_utils import seed_worker
 
 from axolotl.monkeypatch.relora import ReLoRACallback, ReLoRAScheduler
 from axolotl.utils.callbacks import (
@@ -32,9 +30,9 @@ from axolotl.utils.callbacks import (
     bench_eval_callback_factory,
     log_prediction_callback_factory,
 )
-from axolotl.utils.collators import DataCollatorForSeq2Seq
+from axolotl.utils.collators import BatchSamplerDataCollatorForSeq2Seq
 from axolotl.utils.dataloader import MultipackDistributedDataloader
-from axolotl.utils.distributed import is_distributed
+from axolotl.utils.samplers import MultipackBatchSampler
 from axolotl.utils.schedulers import get_cosine_schedule_with_quadratic_warmup
 
 try:
@@ -104,8 +102,9 @@ class AxolotlTrainingArguments(TrainingArguments):
     bench_source_max_len: int = field(
         default=2048, metadata={"help": "Maximum source sequence length for bench."}
     )
-    tensor_parallel: bool = field(
-        default=False, metadata={"help": "Use tensor parallelism to train"}
+    dataloader_prefetch_factor: Optional[int] = field(
+        default=None,
+        metadata={"help": "prefetch_factor argument to the dataloader"},
     )
 
 
@@ -150,46 +149,69 @@ class AxolotlTrainer(Trainer):
         return self.lr_scheduler
 
     def _get_train_sampler(self) -> Optional[torch.utils.data.Sampler]:
-        if self.args.world_size > 1 and self.args.sample_packing:
-            return DistributedSampler(
-                self.train_dataset,
-                num_replicas=self.args.world_size,
-                rank=self.args.process_index,
-                seed=self.args.seed,
+        if self.args.sample_packing:
+            return MultipackBatchSampler(
+                RandomSampler(self.train_dataset),
+                self.args.train_batch_size,
+                drop_last=True,
+                batch_max_len=self._train_batch_size * self.args.max_seq_length,
+                lengths=(
+                    self.train_dataset.data.column("position_ids")
+                    .to_pandas()
+                    .apply(lambda x: x[-1] + 1)
+                    .values
+                ),
+                packing_efficiency_estimate=self.args.sample_packing_efficiency,
             )
         return super()._get_train_sampler()
 
     def _get_eval_sampler(
         self, eval_dataset: Dataset
     ) -> Optional[torch.utils.data.Sampler]:
-        if (
-            self.args.world_size > 1
-            and self.args.sample_packing
-            and self.args.eval_sample_packing is not False
-        ):
-            return SequentialDistributedSampler(
-                eval_dataset,
-                num_replicas=self.args.world_size,
-                rank=self.args.process_index,
-                batch_size=self.args.per_device_eval_batch_size,
+        if self.args.sample_packing and self.args.eval_sample_packing is not False:
+            return MultipackBatchSampler(
+                SequentialSampler(eval_dataset),
+                self.args.per_device_eval_batch_size,
+                drop_last=True,
+                batch_max_len=self.args.eval_batch_size * self.args.max_seq_length,
+                lengths=(
+                    eval_dataset.data.column("position_ids")
+                    .to_pandas()
+                    .apply(lambda x: x[-1] + 1)
+                    .values
+                ),
+                packing_efficiency_estimate=self.args.sample_packing_efficiency,
             )
         return super()._get_eval_sampler(eval_dataset)
 
-    def get_train_dataloader(self) -> Union[DataLoader, MultipackDistributedDataloader]:
+    def get_train_dataloader(self) -> DataLoader:
         if self.args.sample_packing:
-            train_sampler = self._get_train_sampler()
-            return self.accelerator.prepare(
-                MultipackDistributedDataloader(
-                    self.train_dataset,
-                    batch_size=self._train_batch_size,
-                    seq_max_length=self.args.max_seq_length,
-                    collate_fn=self.data_collator,
-                    sampler=train_sampler,
-                    packing_efficiency_estimate=self.args.sample_packing_efficiency,
-                    sample_packing_seq_len_multiplier=self.args.sample_packing_seq_len_multiplier,
-                    device_count=int(os.environ.get("WORLD_SIZE", 1)),
-                    num_epochs=self.num_epochs,
-                )
+            train_dataset = self.train_dataset
+            train_dataset = train_dataset.remove_columns(["length"])
+            data_collator = self.data_collator
+            dataloader_params = {
+                "batch_size": self._train_batch_size,
+                "collate_fn": data_collator,
+                "num_workers": self.args.dataloader_num_workers,
+                "pin_memory": self.args.dataloader_pin_memory,
+            }
+            if self.args.dataloader_prefetch_factor:
+                dataloader_params[
+                    "prefetch_factor"
+                ] = self.args.dataloader_prefetch_factor
+
+            sampler = self._get_train_sampler()
+            if isinstance(sampler, BatchSampler):
+                dataloader_params["batch_sampler"] = sampler
+                del dataloader_params["batch_size"]
+            else:
+                dataloader_params["sampler"] = sampler
+                dataloader_params["drop_last"] = self.args.dataloader_drop_last
+            dataloader_params["worker_init_fn"] = seed_worker
+
+            self.accelerator.even_batches = False
+            return self.accelerator.prepare_data_loader(
+                DataLoader(train_dataset, **dataloader_params)
             )
         return super().get_train_dataloader()
 
@@ -202,18 +224,29 @@ class AxolotlTrainer(Trainer):
             )
 
             eval_sampler = self._get_eval_sampler(eval_dataset)
-            return self.accelerator.prepare(
-                MultipackDistributedDataloader(
-                    eval_dataset,
-                    batch_size=self.args.eval_batch_size,
-                    seq_max_length=self.args.max_seq_length,
-                    collate_fn=self.data_collator,
-                    sampler=eval_sampler,
-                    packing_efficiency_estimate=self.args.sample_packing_efficiency,
-                    sample_packing_seq_len_multiplier=self.args.eval_batch_size,
-                    device_count=int(os.environ.get("WORLD_SIZE", 1)),
-                    num_epochs=self.num_epochs,
-                )
+            eval_dataset = eval_dataset.remove_columns(["length"])
+            data_collator = self.data_collator
+            dataloader_params = {
+                "batch_size": self.args.eval_batch_size,
+                "collate_fn": data_collator,
+                "num_workers": self.args.dataloader_num_workers,
+                "pin_memory": self.args.dataloader_pin_memory,
+            }
+            if self.args.dataloader_prefetch_factor:
+                dataloader_params[
+                    "prefetch_factor"
+                ] = self.args.dataloader_prefetch_factor
+
+            if isinstance(eval_sampler, BatchSampler):
+                dataloader_params["batch_sampler"] = eval_sampler
+                del dataloader_params["batch_size"]
+            else:
+                dataloader_params["sampler"] = eval_sampler
+                dataloader_params["drop_last"] = self.args.dataloader_drop_last
+
+            self.accelerator.even_batches = False
+            return self.accelerator.prepare_data_loader(
+                DataLoader(eval_dataset, **dataloader_params)
             )
         return super().get_eval_dataloader(eval_dataset)
 
@@ -234,6 +267,8 @@ class AxolotlTrainer(Trainer):
             "num_workers": self.args.dataloader_num_workers,
             "pin_memory": self.args.dataloader_pin_memory,
         }
+        if self.args.dataloader_prefetch_factor:
+            dataloader_params["prefetch_factor"] = self.args.dataloader_prefetch_factor
 
         if not isinstance(bench_dataset, torch.utils.data.IterableDataset):
             dataloader_params["sampler"] = self._get_bench_sampler(bench_dataset)
@@ -251,14 +286,6 @@ class AxolotlTrainer(Trainer):
         #     return (loss, outputs) if return_outputs else loss
         return super().compute_loss(model, inputs, return_outputs=return_outputs)
 
-    def _wrap_model(self, model, training=True, dataloader=None):
-        if self.args.tensor_parallel:
-            model = tp.tensor_parallel(model, distributed=is_distributed())
-            model.hf_device_map = tp.infer_sharded_device_map(model)
-        else:
-            model = super()._wrap_model(model, training=training, dataloader=dataloader)
-        return model
-
 
 class OneCycleLRSchedulerTrainer(AxolotlTrainer):
     """
@@ -384,10 +411,7 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         return trainer_kwargs, trainer_cls
 
     def hook_post_create_trainer(self, trainer):
-        if self.cfg.tensor_parallel:
-            trainer.model = trainer.accelerator.prepare_model(
-                trainer.model, device_placement=True
-            )
+        # TODO
         return trainer
 
     def get_callbacks(self):
@@ -459,6 +483,10 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         training_arguments_kwargs["fp16"] = (
             self.cfg.fp16 and not self.cfg.bf16
         ) or False
+        if self.cfg.fp8:
+            training_arguments_kwargs["fp16"] = False
+            training_arguments_kwargs["bf16"] = False
+
         training_arguments_kwargs["tf32"] = self.cfg.tf32
         training_arguments_kwargs["warmup_steps"] = warmup_steps
         training_arguments_kwargs["logging_steps"] = logging_steps
@@ -509,6 +537,19 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
                 "sample_packing_efficiency"
             ] = self.cfg.sample_packing_eff_est
 
+        if self.cfg.dataloader_pin_memory is not None:
+            training_arguments_kwargs[
+                "dataloader_pin_memory"
+            ] = self.cfg.dataloader_pin_memory
+        if self.cfg.dataloader_num_workers is not None:
+            training_arguments_kwargs[
+                "dataloader_num_workers"
+            ] = self.cfg.dataloader_num_workers
+        if self.cfg.dataloader_prefetch_factor is not None:
+            training_arguments_kwargs[
+                "dataloader_prefetch_factor"
+            ] = self.cfg.dataloader_prefetch_factor
+
         if self.cfg.eval_steps:
             training_arguments_kwargs["evaluation_strategy"] = "steps"
             training_arguments_kwargs["eval_steps"] = self.cfg.eval_steps
@@ -631,8 +672,6 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         ] = self.cfg.micro_batch_size
         training_arguments_kwargs["relora_steps"] = self.cfg.relora_steps
         training_arguments_kwargs["relora_warmup_steps"] = self.cfg.relora_warmup_steps
-        training_arguments_kwargs["tensor_parallel"] = self.cfg.tensor_parallel is True
-
         training_arguments_kwargs = self.hook_pre_create_training_args(
             training_arguments_kwargs
         )
@@ -690,7 +729,7 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
             train_dataset=self.train_dataset,
             eval_dataset=self.eval_dataset,
             args=training_args,
-            data_collator=DataCollatorForSeq2Seq(
+            data_collator=BatchSamplerDataCollatorForSeq2Seq(
                 self.tokenizer,
                 return_tensors="pt",
                 **data_collator_kwargs,
@@ -708,4 +747,9 @@ class HFCausalTrainerBuilder(TrainerBuilderBase):
         for callback in self.get_post_trainer_create_callbacks(trainer):
             trainer.add_callback(callback)
 
+        if self.cfg.deepspeed and self.cfg.sample_packing:
+            trainer.accelerator.state.deepspeed_plugin.deepspeed_config[
+                "train_micro_batch_size_per_gpu"
+            ] = self.cfg.micro_batch_size
+
         return trainer

src/axolotl/datasets.py

@@ -2,7 +2,7 @@
 
 import logging
 import os
-from typing import List
+from typing import List, Optional
 
 import torch
 from datasets import Dataset, IterableDataset
@@ -30,14 +30,20 @@ class TokenizedPromptDataset(Dataset):
         self,
         prompt_tokenizer: PromptTokenizingStrategy,
         dataset: IterableDataset,
+        process_count: Optional[int] = None,
         **kwargs,
     ):
         self.prompt_tokenizer = prompt_tokenizer
+        self.process_count = process_count
         super().__init__(self.process(dataset).data, **kwargs)
 
     def process(self, dataset):
         features = dataset.features.keys()
-        num_proc = min(64, os.cpu_count())
+        num_proc = (
+            min(64, self.process_count)
+            if self.process_count
+            else min(64, os.cpu_count())
+        )
         map_kwargs = {}
         if self.prompt_tokenizer.supports_batched:
             map_kwargs["batched"] = True

src/axolotl/train.py

@@ -1,6 +1,5 @@
 """Prepare and train a model on a dataset. Can also infer from a model or merge lora"""
 
-import logging
 import os
 import signal
 import sys
@@ -10,6 +9,7 @@ from typing import Optional
 
 import torch
 import transformers.modelcard
+from accelerate.logging import get_logger
 from datasets import Dataset
 from optimum.bettertransformer import BetterTransformer
 from transformers.deepspeed import is_deepspeed_zero3_enabled
@@ -26,7 +26,7 @@ src_dir = os.path.join(project_root, "src")
 sys.path.insert(0, src_dir)
 
 configure_logging()
-LOG = logging.getLogger("axolotl.train")
+LOG = get_logger("axolotl.train")
 
 
 @dataclass
@@ -44,7 +44,10 @@ def train(
     *, cfg: DictDefault, cli_args: TrainerCliArgs, dataset_meta: TrainDatasetMeta
 ):
     # load the tokenizer first
-    LOG.info(f"loading tokenizer... {cfg.tokenizer_config or cfg.base_model_config}")
+    LOG.debug(
+        f"loading tokenizer... {cfg.tokenizer_config or cfg.base_model_config}",
+        main_process_only=True,
+    )
     tokenizer = load_tokenizer(cfg)
 
     train_dataset = dataset_meta.train_dataset
@@ -52,7 +55,10 @@ def train(
     total_num_steps = dataset_meta.total_num_steps
 
     # Load the model and tokenizer
-    LOG.info("loading model and (optionally) peft_config...")
+    msg = "loading model"
+    if cfg.adapter:
+        msg += " and peft_config..."
+    LOG.debug(msg)
     model, peft_config = load_model(cfg, tokenizer, inference=cli_args.inference)
 
     safe_serialization = cfg.save_safetensors is True

src/axolotl/utils/bench.py

@@ -1,13 +1,10 @@
 """Benchmarking and measurement utilities"""
 import functools
-import logging
 
 import pynvml
 import torch
 from pynvml.nvml import NVMLError
 
-LOG = logging.getLogger("axolotl.utils.bench")
-
 
 def check_cuda_device(default_value):
     """
@@ -65,14 +62,7 @@ def gpu_memory_usage_smi(device=0):
 
 
 def log_gpu_memory_usage(log, msg, device):
-    if not torch.cuda.is_available():
-        return (0, 0, 0)
-
-    try:
-        usage, cache, misc = gpu_memory_usage_all(device)
-    except ValueError as exc:
-        LOG.exception(exc)
-        return (0, 0, 0)
+    usage, cache, misc = gpu_memory_usage_all(device)
     extras = []
     if cache > 0:
         extras.append(f"+{cache:.03f}GB cache")

src/axolotl/utils/collators.py

@@ -119,3 +119,30 @@ class DataCollatorForSeq2Seq:
             features["decoder_input_ids"] = decoder_input_ids
 
         return features
+
+
+@dataclass
+class BatchSamplerDataCollatorForSeq2Seq(DataCollatorForSeq2Seq):
+    """
+    Collator for multipack specific to the using the BatchSampler
+    """
+
+    def __call__(self, features, return_tensors=None):
+        chunked_data = {}
+        for feature in features[0].keys():
+            if feature == "length":
+                continue
+            if feature == "attention_mask":
+                arrays = [
+                    (1) * np.array(item[feature])
+                    for item in features
+                    if feature in item
+                ]
+                chunked_data[feature] = np.concatenate(arrays)
+            else:
+                arrays = [
+                    np.array(item[feature]) for item in features if feature in item
+                ]
+                chunked_data[feature] = np.concatenate(arrays)
+        features = [chunked_data]
+        return super().__call__(features, return_tensors=return_tensors)

src/axolotl/utils/config.py

@@ -70,7 +70,9 @@ def normalize_config(cfg):
     else:
         torch.backends.cuda.matmul.allow_tf32 = cfg.tf32 or False
 
-    if cfg.bf16 or cfg.bfloat16:
+    if cfg.fp8:
+        cfg.torch_dtype = torch.bfloat16
+    elif cfg.bf16 or cfg.bfloat16:
         cfg.torch_dtype = torch.bfloat16
     elif cfg.load_in_8bit or cfg.fp16 or cfg.float16:
         cfg.torch_dtype = torch.float16
@@ -369,10 +371,6 @@ def validate_config(cfg):
             "If you want to full finetune, please turn off load_in_8bit and load_in_4bit."
         )
 
-    if cfg.tensor_parallel and cfg.gradient_checkpointing:
-        raise ValueError(
-            "TensorParallelPreTrainedModel does not support gradient checkpointing"
-        )
     # TODO
     # MPT 7b
     # https://github.com/facebookresearch/bitsandbytes/issues/25

src/axolotl/utils/data.py

@@ -80,11 +80,11 @@ def prepare_dataset(cfg, tokenizer):
         )
     if cfg.max_steps:
         total_num_steps = min(
-            calculate_total_num_steps(cfg, train_dataset, tokenizer), cfg.max_steps
+            calculate_total_num_steps(cfg, train_dataset), cfg.max_steps
         )
         LOG.info(f"Maximum number of steps set at {total_num_steps}")
     else:
-        total_num_steps = calculate_total_num_steps(cfg, train_dataset, tokenizer)
+        total_num_steps = calculate_total_num_steps(cfg, train_dataset)
     return train_dataset, eval_dataset, total_num_steps, prompters
 
 
@@ -482,10 +482,14 @@ def get_dataset_wrapper(
             "user_defined", tokenizer, cfg, config_dataset.type.to_dict()
         )
         dataset_prompter = UnsupportedPrompter()
-        dataset_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        dataset_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
     elif ds_strategy := load(config_dataset.type, tokenizer, cfg, config_dataset):
         dataset_prompter = UnsupportedPrompter()
-        dataset_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        dataset_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
     elif d_base_type == "alpaca":
         dataset_prompter = AlpacaPrompter(d_prompt_style)
         ds_strategy = AlpacaPromptTokenizingStrategy(
@@ -494,7 +498,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "explainchoice":
         dataset_prompter = MultipleChoiceExplainPrompter(d_prompt_style)
@@ -504,7 +510,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "concisechoice":
         dataset_prompter = MultipleChoiceConcisePrompter(d_prompt_style)
@@ -514,7 +522,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "summarizetldr":
         dataset_prompter = SummarizeTLDRPrompter(d_prompt_style)
@@ -524,7 +534,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "jeopardy":
         dataset_prompter = JeopardyPrompter(d_prompt_style)
@@ -534,7 +546,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "oasst":
         dataset_prompter = AlpacaPrompter(d_prompt_style)
@@ -544,7 +558,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "gpteacher":
         dataset_prompter = GPTeacherPrompter(d_prompt_style)
@@ -554,7 +570,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     elif d_base_type == "reflection":
         dataset_prompter = ReflectAlpacaPrompter(d_prompt_style)
@@ -564,7 +582,9 @@ def get_dataset_wrapper(
             cfg.train_on_inputs,
             cfg.sequence_len,
         )
-        ds_wrapper = TokenizedPromptDataset(ds_strategy, dataset)
+        ds_wrapper = TokenizedPromptDataset(
+            ds_strategy, dataset, process_count=cfg.dataset_processes
+        )
         dataset_wrapper = ds_wrapper
     else:
         suffix = ""

src/axolotl/utils/distributed.py

@@ -50,6 +50,17 @@ def get_world_size():
     return int(os.getenv("WORLD_SIZE", "1"))
 
 
+@contextmanager
+def zero_only():
+    """
+    Context manager that only runs the enclosed block on the main rank.
+    """
+    if is_main_process():
+        yield
+    else:
+        yield None
+
+
 @contextmanager
 def zero_first(is_main):
     """

src/axolotl/utils/models.py

@@ -7,7 +7,6 @@ from typing import Optional, Tuple  # noqa: F401
 import bitsandbytes as bnb
 import torch
 import transformers
-import transformers.utils.bitsandbytes
 from optimum.bettertransformer import BetterTransformer
 from peft import PeftConfig, prepare_model_for_kbit_training
 from peft.tuners.lora import QuantLinear
@@ -222,7 +221,7 @@ def load_model(
             load_in_4bit=True,
             llm_int8_threshold=6.0,
             llm_int8_has_fp16_weight=False,
-            bnb_4bit_compute_dtype=torch.float16,
+            bnb_4bit_compute_dtype=cfg.torch_dtype,
             bnb_4bit_use_double_quant=True,
             bnb_4bit_quant_type="nf4",
         )
@@ -236,12 +235,7 @@ def load_model(
             model_kwargs["use_flash_attention_2"] = True
 
     try:
-        if (
-            cfg.is_llama_derived_model
-            and not cfg.trust_remote_code
-            and not cfg.gptq
-            and not cfg.tensor_parallel
-        ):
+        if cfg.is_llama_derived_model and not cfg.trust_remote_code and not cfg.gptq:
             from transformers import LlamaForCausalLM
 
             config_kwargs = {}
@@ -307,7 +301,7 @@ def load_model(
                 load_in_4bit=cfg.load_in_4bit and cfg.adapter is not None,
                 **model_kwargs,
             )
-        elif model_type and not cfg.trust_remote_code and not cfg.tensor_parallel:
+        elif model_type and not cfg.trust_remote_code:
             if cfg.gptq:
                 model = AutoModelForCausalLM.from_pretrained(
                     base_model,
@@ -322,17 +316,6 @@ def load_model(
                     trust_remote_code=cfg.trust_remote_code or False,
                     **model_kwargs,
                 )
-        elif cfg.tensor_parallel:
-            model_kwargs.pop("device_map")
-            model = AutoModelForCausalLM.from_pretrained(
-                base_model,
-                load_in_8bit=cfg.load_in_8bit and cfg.adapter is not None,
-                load_in_4bit=cfg.load_in_4bit and cfg.adapter is not None,
-                low_cpu_mem_usage=True,
-                offload_state_dict=True,
-                trust_remote_code=cfg.trust_remote_code or False,
-                **model_kwargs,
-            )
         else:
             config = AutoConfig.from_pretrained(
                 base_model,
@@ -383,18 +366,15 @@ def load_model(
             **model_kwargs,
         )
 
-    try:
-        embeddings_len = (
-            math.ceil(len(tokenizer) / 32) * 32
-            if cfg.resize_token_embeddings_to_32x
-            else len(tokenizer)
-        )
-        if model.get_input_embeddings().num_embeddings < embeddings_len:
-            model.resize_token_embeddings(embeddings_len)
-        else:
-            model.tie_weights()
-    except NotImplementedError:
-        LOG.warning("`resize_token_embeddings` not implemented on model")
+    embeddings_len = (
+        math.ceil(len(tokenizer) / 32) * 32
+        if cfg.resize_token_embeddings_to_32x
+        else len(tokenizer)
+    )
+    if model.get_input_embeddings().num_embeddings < embeddings_len:
+        model.resize_token_embeddings(embeddings_len)
+    else:
+        model.tie_weights()
 
     if (
         hasattr(model.config, "max_position_embeddings")
@@ -462,14 +442,7 @@ def load_model(
     if cfg.ddp and not load_in_8bit:
         model.to(f"cuda:{cfg.local_rank}")
 
-    if (
-        torch.cuda.device_count() > 1
-        and int(os.getenv("WORLD_SIZE", "1")) > 1
-        and (cfg.load_in_4bit)
-    ):
-        # llama is PROBABLY model parallelizable, but the default isn't that it is
-        # so let's only set it for the 4bit, see
-        # https://github.com/johnsmith0031/alpaca_lora_4bit/blob/08b3fca4a4a9e0d3945be1bab4529f100a428636/finetune.py#L130-L133
+    if torch.cuda.device_count() > 1 and int(os.getenv("WORLD_SIZE", "1")) == 1:
         setattr(model, "is_parallelizable", True)
         setattr(model, "model_parallel", True)
 
@@ -497,12 +470,7 @@ def load_adapter(model, cfg, adapter, inference=False):
     if adapter is None:
         return model, None
     if hasattr(model, "enable_input_require_grads"):
-        try:
-            model.enable_input_require_grads()
-        except NotImplementedError:
-            LOG.warning("enable_input_require_grads not implemented on model")
-    if adapter == "qlora" and cfg.tensor_parallel:
-        model, _ = load_tp_qlora(model)
+        model.enable_input_require_grads()
     if adapter in ["lora", "qlora"]:
         return load_lora(model, cfg, inference=inference)
     if adapter == "llama-adapter":
@@ -554,25 +522,6 @@ def find_all_linear_names(model):
     return list(lora_module_names)
 
 
-def load_tp_qlora(model):
-    from transformers.utils.bitsandbytes import replace_with_bnb_linear
-
-    model = replace_with_bnb_linear(
-        model,
-        quantization_config=BitsAndBytesConfig(
-            load_in_4bit=True,
-            llm_int8_threshold=6.0,
-            llm_int8_has_fp16_weight=False,
-            bnb_4bit_compute_dtype=torch.float16,
-            bnb_4bit_use_double_quant=True,
-            bnb_4bit_quant_type="nf4",
-        ),
-    )
-    model.is_loaded_in_4bit = True
-
-    return model, None
-
-
 def load_lora(model, cfg, inference=False):
     # type: (PreTrainedModel, DictDefault, bool) -> Tuple[PreTrainedModel, Optional[PeftConfig]]
 

src/axolotl/utils/samplers/__init__.py

@@ -0,0 +1,4 @@
+"""
+axolotl samplers module
+"""
+from .multipack import MultipackBatchSampler  # noqa: F401

src/axolotl/utils/samplers/multipack.py

@@ -0,0 +1,193 @@
+# pylint: skip-file
+"""
+Multipack Batch Sampler
+"""
+import logging
+import math
+import os
+from typing import Any, Iterable, List, Union
+
+import numba
+import numpy as np
+from torch.utils.data import BatchSampler, Sampler
+
+LOG = logging.getLogger("axolotl.utils.samplers.multipack")
+
+
+@numba.njit
+def ffd_check(a: np.ndarray, c: int, n: int):
+    # First-fit-decreasing bin packing
+    # Check if a[] could fit in n bins with capacity c
+    # https://en.wikipedia.org/wiki/First-fit-decreasing_bin_packing
+
+    a = np.sort(a)[::-1]
+    bins = np.full((n,), c, dtype=a.dtype)
+    for size in a:
+        not_found = True
+        for idx in range(n):
+            if bins[idx] >= size:
+                bins[idx] -= size
+                not_found = False
+                break
+
+        if not_found:
+            return False
+
+    return True
+
+
+@numba.njit
+def ffd_with_result(a: np.ndarray, c: int, start_index: int):
+    # First-fit-decreasing bin packing (with result return)
+
+    indices = np.argsort(a)[::-1]
+    a = a[indices]
+
+    bins: List[Any] = []
+    bins_result: List[Any] = []
+    for a_id, size in enumerate(a):
+        add_new = True
+        for idx in range(len(bins)):
+            if bins[idx] >= size:
+                bins[idx] -= size
+                bins_result[idx].append(indices[a_id] + start_index)
+                add_new = False
+                break
+
+        if add_new:
+            bins.append(c - size)
+            bins_result.append([indices[a_id] + start_index])
+
+    return bins_result
+
+
+@numba.njit
+def allocate(
+    lengths: np.ndarray, lengths_cumsum: np.ndarray, rank: int, c: int, n: int
+):
+    # Dynamic batch allocator, similar to Multifit
+    # https://en.wikipedia.org/wiki/Multifit_algorithm
+    # ~99.5% efficiency on OpenChat training set (12 * 2048 ctx len)
+
+    s = 0
+    start_index = 0
+    result = []
+
+    while True:
+        # binary search [l, r)
+        left = 1
+        right = 1 + np.searchsorted(lengths_cumsum[start_index:], s + c * n, "right")
+
+        while right - left > 1:
+            mid = (left + right) // 2
+            if ffd_check(lengths[start_index : start_index + mid], c, n):
+                left = mid
+            else:
+                right = mid
+
+        # use length l
+        batch = ffd_with_result(
+            lengths[start_index : start_index + left], c, start_index
+        )
+        assert len(batch) <= n
+        if len(batch) < n:
+            break
+
+        start_index += left
+        s = lengths_cumsum[start_index - 1]
+
+        # add local rank
+        result.append(batch[rank])
+
+    return result, s, len(result) * c * n
+
+
+class MultipackBatchSampler(BatchSampler):
+    """
+    Batch Sampler class for multipack
+    """
+
+    def __init__(
+        self,
+        sampler: Union[Sampler[int], Iterable[int]],
+        batch_size: int,
+        drop_last: bool,
+        batch_max_len: int,
+        lengths: np.ndarray,
+        packing_efficiency_estimate: float = 1.0,
+    ):
+        super().__init__(sampler, batch_size, drop_last)
+        self.batch_size = None
+        self.batch_max_len = batch_max_len
+        self.lengths: np.ndarray = lengths
+        self.packing_efficiency_estimate = packing_efficiency_estimate or 1.0
+
+        assert isinstance(self.lengths, np.ndarray)
+
+        self.epoch = 0
+
+        # statistics
+        self.eff_total_used = 0
+        self.eff_total_slots = 0
+
+    def set_epoch(self, epoch: int):
+        self.epoch = epoch
+
+    def generate_batches(self, set_stats=False):
+        indices = [idx for idx in self.sampler]
+
+        lengths = self.lengths[indices]
+        lengths_cumsum = np.cumsum(lengths)
+
+        batches, total_used, total_slots = allocate(
+            lengths=lengths,
+            lengths_cumsum=lengths_cumsum,
+            rank=0,
+            c=self.batch_max_len,
+            n=1,
+        )
+
+        batches = [[indices[b_idx] for b_idx in batch] for batch in batches]
+
+        # statistics
+        if set_stats:
+            self.eff_total_used += total_used
+            self.eff_total_slots += total_slots
+
+        return batches
+
+    def __iter__(self):
+        batches = self.generate_batches(set_stats=True)
+        return iter(batches)
+
+    def num_batches(self):
+        batches = self.generate_batches(set_stats=True)
+        return len(batches)
+
+    def efficiency(self):
+        return self.eff_total_used / self.eff_total_slots
+
+    def __len__(self):
+        self.num_batches()
+        return self._len_est()
+
+    def _len_est(self):
+        world_size = int(os.getenv("WORLD_SIZE", "1"))
+        lengths_sum = np.sum(self.lengths)
+        lengths_sum_per_device = lengths_sum // world_size
+        LOG.info(
+            f"packing_efficiency_estimate: {self.packing_efficiency_estimate} "
+            f"total_num_tokens per device: {lengths_sum_per_device}"
+        )
+
+        # shave off 1% + 1 for dealing with variance in packing from random sampler to sampler
+        return (
+            world_size
+            * math.floor(
+                0.99
+                * lengths_sum_per_device
+                / self.packing_efficiency_estimate
+                // self.batch_max_len
+            )
+            - 1
+        )

src/axolotl/utils/trainer.py

@@ -1,5 +1,4 @@
 """Module containing the Trainer class and related functions"""
-import logging
 import math
 import os
 from contextlib import contextmanager
@@ -9,21 +8,15 @@ from typing import List
 import numpy as np
 import torch
 import torch.cuda
-import torch.distributed as dist
+from accelerate.logging import get_logger
 from datasets import set_caching_enabled
-from torch.utils.data import DistributedSampler, RandomSampler
+from torch.utils.data import DataLoader, RandomSampler
 
 from axolotl.core.trainer_builder import HFCausalTrainerBuilder
-from axolotl.utils.collators import DataCollatorForSeq2Seq
-from axolotl.utils.dataloader import MultipackDistributedDataloader
-from axolotl.utils.distributed import (
-    is_distributed,
-    is_main_process,
-    reduce_and_broadcast,
-    zero_first,
-)
+from axolotl.utils.distributed import is_main_process, reduce_and_broadcast, zero_first
+from axolotl.utils.samplers import MultipackBatchSampler
 
-LOG = logging.getLogger("axolotl")
+LOG = get_logger("axolotl")
 
 
 @torch.jit.script
@@ -148,19 +141,18 @@ def process_datasets_for_packing(cfg, train_dataset, eval_dataset, tokenizer):
     return train_dataset, eval_dataset
 
 
-def calculate_total_num_steps(cfg, train_dataset, tokenizer):
+def calculate_total_num_steps(cfg, train_dataset):
     if cfg.sample_packing:
         # we have to drop anything longer then sequence len otherwise
         # flash attention with position ids fails
         if not cfg.total_num_tokens:
-            LOG.info("calculating total_num_tokens")
             total_num_tokens = np.sum(
                 train_dataset.data.column("input_ids")
                 .to_pandas()
                 .apply(lambda x: len(x))  # pylint: disable=unnecessary-lambda
                 .values
             )
-            LOG.info(f"total_num_tokens: {total_num_tokens}")
+            LOG.debug(f"total_num_tokens: {total_num_tokens}", main_process_only=True)
             cfg.total_num_tokens = total_num_tokens
 
         if not cfg.total_supervised_tokens:
@@ -170,7 +162,10 @@ def calculate_total_num_steps(cfg, train_dataset, tokenizer):
                 .apply(lambda x: np.sum(np.array(x) != -100))
                 .sum()
             )
-            LOG.info(f"`total_supervised_tokens: {total_supervised_tokens}`")
+            LOG.debug(
+                f"`total_supervised_tokens: {total_supervised_tokens}`",
+                main_process_only=True,
+            )
             cfg.total_supervised_tokens = total_supervised_tokens
 
         if cfg.sample_packing_eff_est:
@@ -189,41 +184,41 @@ def calculate_total_num_steps(cfg, train_dataset, tokenizer):
                 )
                 * cfg.num_epochs
             )
-            LOG.info(
-                f"total_num_tokens: {cfg.total_num_tokens}, total_num_steps: {total_num_steps}"
+            LOG.debug(
+                f"total_num_tokens: {cfg.total_num_tokens}, total_num_steps: {total_num_steps}",
+                main_process_only=True,
             )
         else:
-            if cfg.world_size > 1 and is_distributed():
-                sampler = DistributedSampler(
-                    train_dataset,
-                    num_replicas=cfg.world_size,
-                    rank=dist.get_rank(),
-                    seed=cfg.seed or 42,
-                )
-            else:
-                sampler = RandomSampler(train_dataset)
-
-            data_loader = MultipackDistributedDataloader(
-                train_dataset,
+            sampler = MultipackBatchSampler(
+                sampler=RandomSampler(train_dataset),
                 batch_size=cfg.micro_batch_size,
-                seq_max_length=cfg.max_packed_sequence_len or cfg.sequence_len,
-                collate_fn=DataCollatorForSeq2Seq(
-                    tokenizer,
-                    return_tensors="pt",
-                    padding="longest",
+                drop_last=True,
+                batch_max_len=cfg.micro_batch_size
+                * (cfg.max_packed_sequence_len or cfg.sequence_len),
+                lengths=(
+                    train_dataset.data.column("position_ids")
+                    .to_pandas()
+                    .apply(lambda x: x[-1] + 1)
+                    .values
                 ),
-                sampler=sampler,
-                packing_efficiency_estimate=cfg.sample_packing_eff_est,
-                sample_packing_seq_len_multiplier=cfg.micro_batch_size,
-                device_count=int(os.environ.get("WORLD_SIZE", 1)),
-                num_epochs=cfg.num_epochs,
             )
-            data_loader_len = data_loader.len_w_stats()
-            actual_eff = data_loader.efficiency()
-            LOG.info(f"data_loader_len: {data_loader_len}")
+
+            data_loader = DataLoader(
+                train_dataset.remove_columns(["length"]),
+                batch_sampler=sampler,
+            )
+            data_loader_len = len(data_loader)
+            actual_eff = sampler.efficiency()
+            LOG.debug(f"data_loader_len: {data_loader_len}", main_process_only=True)
             # FIXME: is there a bug here somewhere? the total num steps depends
             # on the agreed on value for sample_packing_eff_est
-            total_num_steps = int(math.floor(data_loader_len * cfg.num_epochs))
+            total_num_steps = int(
+                math.floor(
+                    data_loader_len
+                    * cfg.num_epochs
+                    / int(os.environ.get("WORLD_SIZE", 1))
+                )
+            )
 
             def calc_sample_packing_eff_est(estimates: List[float]):
                 LOG.info(f"sample_packing_eff_est across ranks: {repr(estimates)}")
@@ -237,12 +232,20 @@ def calculate_total_num_steps(cfg, train_dataset, tokenizer):
                 math.ceil(sample_packing_actual_eff_all * 100.0) / 100.0
             )
             cfg.sample_packing_eff_est = sample_packing_eff_est
-            LOG.info(f"sample_packing_eff_est: {cfg.sample_packing_eff_est}")
+            LOG.debug(
+                f"sample_packing_eff_est: {cfg.sample_packing_eff_est}",
+                main_process_only=True,
+            )
     else:
         total_num_steps = int(
-            math.ceil(len(train_dataset) * cfg.num_epochs / cfg.batch_size)
+            math.ceil(
+                len(train_dataset)
+                * cfg.num_epochs
+                / int(os.environ.get("WORLD_SIZE", 1))
+                / cfg.batch_size
+            )
         )
-    LOG.info(f"total_num_steps: {total_num_steps}")
+    LOG.debug(f"total_num_steps: {total_num_steps}", main_process_only=True)
     return total_num_steps
 
 
@@ -265,6 +268,8 @@ def setup_trainer(cfg, train_dataset, eval_dataset, model, tokenizer, total_num_
         setup_fsdp_envs(cfg)
     elif cfg.deepspeed:
         os.environ["ACCELERATE_USE_DEEPSPEED"] = "true"
+    if cfg.fp8:
+        os.environ["ACCELERATE_MIXED_PRECISION"] = "fp8"
 
     trainer_builder = HFCausalTrainerBuilder(cfg, model, tokenizer)
     trainer_builder.train_dataset = train_dataset

tests/e2e/test_fused_llama.py

@@ -4,7 +4,6 @@ E2E tests for lora llama
 
 import logging
 import os
-import tempfile
 import unittest
 from pathlib import Path
 
@@ -16,6 +15,8 @@ from axolotl.train import train
 from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
+from .utils import with_temp_dir
+
 LOG = logging.getLogger("axolotl.tests.e2e")
 os.environ["WANDB_DISABLED"] = "true"
 
@@ -25,9 +26,9 @@ class TestFusedLlama(unittest.TestCase):
     Test case for Llama models using Fused layers
     """
 
-    def test_fft_packing(self):
+    @with_temp_dir
+    def test_fft_packing(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "JackFram/llama-68m",
@@ -51,7 +52,7 @@ class TestFusedLlama(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 2,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -69,4 +70,4 @@ class TestFusedLlama(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "pytorch_model.bin").exists()
+        assert (Path(temp_dir) / "pytorch_model.bin").exists()

tests/e2e/test_lora_llama.py

@@ -4,7 +4,6 @@ E2E tests for lora llama
 
 import logging
 import os
-import tempfile
 import unittest
 from pathlib import Path
 
@@ -14,6 +13,8 @@ from axolotl.train import train
 from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
+from .utils import with_temp_dir
+
 LOG = logging.getLogger("axolotl.tests.e2e")
 os.environ["WANDB_DISABLED"] = "true"
 
@@ -23,9 +24,9 @@ class TestLoraLlama(unittest.TestCase):
     Test case for Llama models using LoRA
     """
 
-    def test_lora(self):
+    @with_temp_dir
+    def test_lora(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "JackFram/llama-68m",
@@ -52,7 +53,7 @@ class TestLoraLlama(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 8,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -63,11 +64,11 @@ class TestLoraLlama(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "adapter_model.bin").exists()
+        assert (Path(temp_dir) / "adapter_model.bin").exists()
 
-    def test_lora_packing(self):
+    @with_temp_dir
+    def test_lora_packing(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "JackFram/llama-68m",
@@ -96,7 +97,7 @@ class TestLoraLlama(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 8,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -107,11 +108,11 @@ class TestLoraLlama(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "adapter_model.bin").exists()
+        assert (Path(temp_dir) / "adapter_model.bin").exists()
 
-    def test_lora_gptq(self):
+    @with_temp_dir
+    def test_lora_gptq(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "TheBlokeAI/jackfram_llama-68m-GPTQ",
@@ -144,7 +145,7 @@ class TestLoraLlama(unittest.TestCase):
                 "save_steps": 0.5,
                 "micro_batch_size": 8,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -155,4 +156,4 @@ class TestLoraLlama(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "adapter_model.bin").exists()
+        assert (Path(temp_dir) / "adapter_model.bin").exists()

tests/e2e/test_mistral.py

@@ -4,7 +4,6 @@ E2E tests for lora llama
 
 import logging
 import os
-import tempfile
 import unittest
 from pathlib import Path
 
@@ -16,6 +15,8 @@ from axolotl.train import train
 from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
+from .utils import with_temp_dir
+
 LOG = logging.getLogger("axolotl.tests.e2e")
 os.environ["WANDB_DISABLED"] = "true"
 
@@ -25,9 +26,9 @@ class TestMistral(unittest.TestCase):
     Test case for Llama models using LoRA
     """
 
-    def test_lora(self):
+    @with_temp_dir
+    def test_lora(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "openaccess-ai-collective/tiny-mistral",
@@ -54,7 +55,7 @@ class TestMistral(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 2,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -68,11 +69,11 @@ class TestMistral(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "adapter_model.bin").exists()
+        assert (Path(temp_dir) / "adapter_model.bin").exists()
 
-    def test_ft(self):
+    @with_temp_dir
+    def test_ft(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "openaccess-ai-collective/tiny-mistral",
@@ -93,7 +94,7 @@ class TestMistral(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 2,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -111,4 +112,4 @@ class TestMistral(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "pytorch_model.bin").exists()
+        assert (Path(temp_dir) / "pytorch_model.bin").exists()

tests/e2e/test_mistral_samplepack.py

@@ -4,7 +4,6 @@ E2E tests for lora llama
 
 import logging
 import os
-import tempfile
 import unittest
 from pathlib import Path
 
@@ -16,6 +15,8 @@ from axolotl.train import train
 from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
+from .utils import with_temp_dir
+
 LOG = logging.getLogger("axolotl.tests.e2e")
 os.environ["WANDB_DISABLED"] = "true"
 
@@ -25,9 +26,9 @@ class TestMistral(unittest.TestCase):
     Test case for Llama models using LoRA
     """
 
-    def test_lora_packing(self):
+    @with_temp_dir
+    def test_lora_packing(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "openaccess-ai-collective/tiny-mistral",
@@ -55,7 +56,7 @@ class TestMistral(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 2,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -69,11 +70,11 @@ class TestMistral(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "adapter_model.bin").exists()
+        assert (Path(temp_dir) / "adapter_model.bin").exists()
 
-    def test_ft_packing(self):
+    @with_temp_dir
+    def test_ft_packing(self, temp_dir):
         # pylint: disable=duplicate-code
-        output_dir = tempfile.mkdtemp()
         cfg = DictDefault(
             {
                 "base_model": "openaccess-ai-collective/tiny-mistral",
@@ -95,7 +96,7 @@ class TestMistral(unittest.TestCase):
                 "num_epochs": 2,
                 "micro_batch_size": 2,
                 "gradient_accumulation_steps": 1,
-                "output_dir": output_dir,
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_torch",
                 "lr_scheduler": "cosine",
@@ -113,4 +114,4 @@ class TestMistral(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
-        assert (Path(output_dir) / "pytorch_model.bin").exists()
+        assert (Path(temp_dir) / "pytorch_model.bin").exists()

tests/e2e/test_phi.py

@@ -4,8 +4,8 @@ E2E tests for lora llama
 
 import logging
 import os
-import tempfile
 import unittest
+from pathlib import Path
 
 from axolotl.cli import load_datasets
 from axolotl.common.cli import TrainerCliArgs
@@ -13,6 +13,8 @@ from axolotl.train import train
 from axolotl.utils.config import normalize_config
 from axolotl.utils.dict import DictDefault
 
+from .utils import with_temp_dir
+
 LOG = logging.getLogger("axolotl.tests.e2e")
 os.environ["WANDB_DISABLED"] = "true"
 
@@ -22,7 +24,8 @@ class TestPhi(unittest.TestCase):
     Test case for Llama models using LoRA
     """
 
-    def test_ft(self):
+    @with_temp_dir
+    def test_ft(self, temp_dir):
         # pylint: disable=duplicate-code
         cfg = DictDefault(
             {
@@ -52,7 +55,7 @@ class TestPhi(unittest.TestCase):
                 "num_epochs": 1,
                 "micro_batch_size": 1,
                 "gradient_accumulation_steps": 1,
-                "output_dir": tempfile.mkdtemp(),
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_bnb_8bit",
                 "lr_scheduler": "cosine",
@@ -64,8 +67,10 @@ class TestPhi(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
+        assert (Path(temp_dir) / "pytorch_model.bin").exists()
 
-    def test_ft_packed(self):
+    @with_temp_dir
+    def test_ft_packed(self, temp_dir):
         # pylint: disable=duplicate-code
         cfg = DictDefault(
             {
@@ -95,7 +100,7 @@ class TestPhi(unittest.TestCase):
                 "num_epochs": 1,
                 "micro_batch_size": 1,
                 "gradient_accumulation_steps": 1,
-                "output_dir": tempfile.mkdtemp(),
+                "output_dir": temp_dir,
                 "learning_rate": 0.00001,
                 "optimizer": "adamw_bnb_8bit",
                 "lr_scheduler": "cosine",
@@ -107,3 +112,4 @@ class TestPhi(unittest.TestCase):
         dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
 
         train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
+        assert (Path(temp_dir) / "pytorch_model.bin").exists()

tests/e2e/utils.py

@@ -0,0 +1,22 @@
+"""
+helper utils for tests
+"""
+
+import shutil
+import tempfile
+from functools import wraps
+
+
+def with_temp_dir(test_func):
+    @wraps(test_func)
+    def wrapper(*args, **kwargs):
+        # Create a temporary directory
+        temp_dir = tempfile.mkdtemp()
+        try:
+            # Pass the temporary directory to the test function
+            test_func(*args, temp_dir=temp_dir, **kwargs)
+        finally:
+            # Clean up the directory after the test
+            shutil.rmtree(temp_dir)
+
+    return wrapper